/*
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package prove;

/**
 *
 * @author paolo
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        String x=System.getProperty("os.name");
        String y=System.getProperty("user.name");
        y=y+" "+System.getProperty("os.arch");
        y=y+" "+System.getProperty("os.version");
        System.out.println(x+" "+y);

        }

    }

